{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["organization", "else", "person", "location"], "input": "Viljoen broke with other right-wing whites in 1994 by taking part in the country 's first all-race elections in April of that year , saying the only way to attain self-determination was by cooperating with President Nelson Mandela 's majority African National Congress ."}
{"organization": ["African National Congress"], "else": [], "person": ["Viljoen", "Nelson Mandela"], "location": []}